Input-output norms govern permissible input proportions for manufacturing fluorescent ink concentrate and require import-use conformity.

Standard input-output norms set permitted input proportions for manufacture of Fluorescent Ink Concentrate BLUE IV (Invisible Euroblue), listing O Toluene Sulphonamide/P Toluene Sulphonamide, Melamine, Para Formaldehyde, and Optical Brightener per kilogram as benchmarks; applicants must ensure imported inputs match those used in the export product and proportions determine admissibility under FTP.

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